U.S., South Korea and Japan to hold drill as North Korea ramps up pressure on U.S.

FILE - In this photo provided by South Korea Defense Ministry, warships of South Korea, the United States and Japan including the USS George Washington aircraft carrier, bottom center, take part in the trilateral Freedom Edge exercise in international waters off South Korea

The announcement that the three countries will go ahead with a trilateral military drill comes a day after North Korea vowed to retaliate against what it called U.S. hostilities.

(Image credit: South Korea Defense Ministry via)